20 Wimpole Street London W1G 8GF
Approved on 27 October 2025
Council decision: Application PermittedDelegated (officer decision)
Boundary © HM Land Registry, © Ordnance Survey · details
This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.
Proposal
Detailed drawings of the following parts of the development 1) pipework rationalisation to the front elevation, 2) traditional enclosure to rear plant, 3) Pointing specification pursuant to condition 7 of planning permission dated 10th June 2024 (RN: 24/03835/FULL). (Linked to 25/06123/ADLBC).
- Received
- 5 September 2025
- Decision level
- Delegated (officer decision)
- Council
- City of Westminster
- Ward
- Marylebone
- Agent
- Howard de Walden Estates ltd
- ReceivedReceived5 Sep
- ValidatedValidated5 Sep
- Consult.Consultation
- TargetTarget Date31 Oct
- DecidedDecided27 Oct
Decided in 52 days (council typically 49)
About this application
This is an application to discharge conditions at 20 Wimpole Street London W1G 8GF. Westminster has handled 3,063 applications of this type. This one was decided in 52 days, 3 days longer than Westminster's typical decision time. The site is in the Harley Street conservation area, with 20 listed buildings nearby. There are no previous applications recorded at this address. In the past year there have been 168 applications across Marylebone. We hold 590 applications in total for the W1G postcode area.
92% of conditions applications at City of Westminster were approved. Across all application types, the council typically decides in about 7 weeks (median).
Based on decided applications received in the last 3 years.Planning something similar? See what gets approved on your street
Application details
- Postcode
- W1G 8GF
- Application type
- Approval of Details (Full PP)
- Scale / size
- Small
Planning application dates
- Date validated
- 5 September 2025
- Target decision date
- 31 October 2025
- Decision issued
- 28 October 2025
Applicant and agent
- Agent
- Howard de Walden Estates ltd
- Agent address
- 23 Queen Anne Street London W1G 9DL United Kingdom
Planning decision
- Statutory period
- 56 days
Site constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Harley Street
- Article 4 direction: Article 4 Basement Development Permitted Rights Removed+1 more
- Brownfield land register: 14 Wimpole Street London W1G 9SXRegister site at or near this address
- Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (20)
flood storage areas, tree preservation orders, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves and heritage coasts.
A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.
Data © Crown copyright and others · sources and licences
Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.
© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.
© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.
© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.
Contains Ordnance Survey data © Crown copyright and database right 2026.
Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.
Associated applications
- 202519 Sep
Detailed drawings of the following parts of the development 1) pipework rationalisation to the front…
ApprovedListed building consentPart of25/06123/ADLBC - 20255 Sep
Detailed drawings of the following parts of the development 1) pipework rationalisation to the front…
This applicationApprovedDischarge of conditions25/06320/ADFULL
Source: Westminster
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Around this site
Nearby applications
- 18 Wimpole Street London W1G 8GD24/06093/LBC · HeritageAwaiting decision0.0 mi
- 64 Wimpole Street London W1G 8YS26/01740/FULL · FullApproved0.0 mi
- 61 Wimpole Street London W1G 8AW23/04840/FULL · FullApproved0.0 mi
- 56 Queen Anne Street London W1G 8LA23/01155/ADFULL · ConditionsApproved0.1 mi
- 37 Harley Street London W1G 8QG23/05733/LBC · HeritageApproved0.1 mi
For applicants and trades
Contractors near this project
- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman0.5 mi
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- Orient Construction Consultancy LimitedVerifiedLondon3.8 mi
- Nova Coat & PlasterVerifiedStreatham, LondonRenovations & RefurbishmentsPlastering5.6 mi
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